A DIY science kit (Product code: P1K)
This DIY kit included everything to build a no-friction bicycle dynamo (No standby lights). It comes with a online pictured instruction. A educational kit for investigating electrical generator in schools and colleges. Or just build a dynamo by your-self for your bike. Low cost and easy to be made. Price: £9.00 (UK pound)
(As this picture shown) Some parts of this DIY kit package are different from already made product (SPL).
